Home / 20,376.54-30,573.57-11,023.13

Finding the Fourth Proportional to 20,376.54, 30,573.57 and 11,023.13

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Solution

The fourth proportional to 20,376.54, 30,573.57 and 11,023.13 is: 16,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.54 : 30,573.57 = 11,023.13 : x
  2. Step 2: Convert to fraction form
    20,376.54/30,573.57 = 11,023.13/x
  3. Step 3: Cross multiply
    20,376.54x = 30,573.57 × 11,023.13
  4. Step 4: Simplify right side
    20,376.54x = 337,016,283.81
  5. Step 5: Solve for x
    x = 337,016,283.81/20,376.54
  6. Step 6: Final answer
    x = 16,539.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.